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Aproximadamente 32 registro(s) hasta el momento: (knowledge)

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Recurso libre

Belief revision and relevance
Falappa, Marcelo Alejandro - Maguitman, Ana Gabriela

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The aim of this work is to relate two apparently independent concepts as belief revision and relevance. We propose a formal characterization for the notion of (ir)relevance by means of a set of postulates. Then we define (ir)relevance using change…
Fecha:	2012-10-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Determinants of the decision to go to college in Argentina, Determinantes del nivel de asistencia al nivel superior de educación
Ripani, Laura

Formato:	Tesis, Tesis de maestria
Enlaces:	Increasing attention to higher education policies in the knowledge-based society makes important to understand the relationship between socio-economic family characteristics and educational choices. This paper considers the decision to go to college in Argentina as a family's economic decision. The…
Fecha:	2010-07-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Logic modules for communicating distributed agents
Zunino, Alejandro - Amandi, Analía

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The development of isolated agents involves the manipulation of components such as actions, mental attitudes and decisions. Multi-agent systems have to deal with these components from different agents, without to forget the privacy and autonomy of each agent. For programming…
Fecha:	2012-10-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Toward integration of knowledge based systems and knowledge discovery systems
Rancan, Claudio - Pesado, Patricia - García-Martínez, Ramón

Formato:	Articulo, Articulo
Enlaces:	This paper presents a proposal for an architecture that integrates knowledge discovery systems (automatic acquisition) and knowledge based systems (experts systems). This work formulates considerations over the viability of the implementation of this architecture according to the advance of the…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Revisions of orders in dynamic systems
Falappa, Marcelo Alejandro - Simari, Patricio D.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Current reasoning systems attempt to model an agent's knowledge and interaction with its environment in a symbolic manner. This environment, its world is generally dynamic and changing due to natural evolution or the actions of other agents that are a…
Fecha:	2012-09-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Agent programming using defeasible argumentation for knowledgerepresentation and reasoning
Gottifredi, Sebastián - Simari, Guillermo Ricardo - García, Alejandro Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this work two declarative approaches based on the BDI theory are studied, an agent programming language 3APL and an agent architecture that uses defeasible argumentation for knowledge representation and reasoning. Based on that study and considering that in 3APL…
Fecha:	2012-11-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Developing a Repository of Knowledge for virtual communities with semantic web technologies
Casalini, María Clara - Estevez, Elsa Clara - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Method for the evaluation of social projects
Gavilán, Mirta Graciela - Labourdette, Sergio

Formato:	Articulo, Articulo
Enlaces:	This instrument was part of the research project "Research on Evaluation of Health and Education Plans and Programs in the Province of Buenos Aires", developed by the of Chair Preventive Psychology of the Psychology course of studies at the School…
Fecha:	2012-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

The development of professor's professional knowledge in Psychology
Cardós, Paula Daniela - Compagnucci, Elsa Rosa

Formato:	Articulo, Comunicacion
Enlaces:	This work belongs to the Project "Teaching and learning Psychology: a study of the educational practice in professors and beginners". It is part of an investigation program developed in the context of the subject "Didactic and Practical Planning of Psychology…
Fecha:	2012-03-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

SeDiCI (Intellectual Creation Diffusion Service)
De Giusti, Marisa Raquel - Sobrado, Ariel - Vila, María Marta - Villarreal, Gonzalo Lujan - Lira, Ariel Jorge

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Intellectual Creation Diffusion Service (SeDiCi) of the UNLP was created with the main objective of communicating to the society all the knowledge acquired in different academic fields of our university. This is how we can return all the efforts…
Fecha:	2007-11-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

Identification of important news for exchange rate modeling
Zhang, Debbie - Simoff, Simeon - Debenham, John

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Associating the pattern in text data with the pattern with time series data is a novel task. In this paper, an approach that utilizes the features of the time series data and domain knowledge is proposed and used to identify…
Fecha:	2012-11-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Notions of relevance for modeling the dynamics of belief
Falappa, Marcelo Alejandro - Maguitman, Ana Gabriela

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	We identify different kinds of relevance relations between formulas that emerge in the process of belief revision. Informal definitions for alternative notions of relevance are suggested and a set of schemas and intuitive postulates for formalizing these notions are proposed.
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Dynamic comunication mechanism of a distributed DSS: the information retrieval process of the router agent
Stegmayer, Georgina - Taverna, María Laura - Chiotti, Omar Juan Alfredo - Galli, María Rosa

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	We have developed a distributed DSS able to work in a dynamic way. This system is based on the use of mobile agents, which receive the user's queries and visit the DSS domains gathering the required information. One of the…
Fecha:	2012-11-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

Evaluation of the antioxidant and phototoxic potentials of Bauhinia microstachya var. massambabensis Vaz leaf extracts
Mansur, Maria Cristina.P.P.R. - Leitão, Susana G. - Lima, Luis M.T.R. - Ricci-Júnior, Eduardo - Souza, Gabriela R. de - Barbi, Nancy dos S. - Martins, Tathiana S. - Dellamora Ortiz, Gisela M. - Leo, Rodrigo R. T. - Vieira, Ricardo C. - Leitão, Gilda G. - Santos, Elizabete P.

Formato:	Articulo, Articulo
Enlaces:	Four different leaf extracts of B. microstachya var. massambabensis were studied to evaluate their antioxidant capacity by using three in vitro methods, with Ginkgo biloba and Trolox® as the standards. With the DPPH and ABTS·+ methods, the antioxidant activity of…
Fecha:	2012-05-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

A first approach to abductive defeasible logic programming: formalization and properties
Gómez Lucero, Mauro J. - García, Alejandro Javier - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This article presents the confluence of two general ideas: Defeasible Logic Programming (DeLP, an argumentation based formalism for representing knowledge and reasoning) and Abduction in logic. In first place, we introduce a framework that formally states the problem of doing…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Finite Presheaf categories as a nice setting for doing generic programming
Menni, Matías

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The purpose of this paper is to describe how some theorems about constructions in categories can be seen as a way of doing generic programming. No prior knowledge of category theory is required to understand the paper. We explore the…
Fecha:	2012-11-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Becoming a person from Mbya Guarani perspective (Misiones Province, Argentina)
Remorini, Carolina

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The aim of this paper is to describe and discuss some results from an ethnographic research on Argentinian Mbya communities focused on representations and practices related to childrearing and development during the first stages of life course. Firstly, I describe…
Fecha:	2012-02-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Towards a comparison criteria for CDeLP
Cobo, María Laura - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The development of systems with the ability to reason about change notion and actions has been of great importance for the artificial intelligence community. The definition and implementation of systems capable of managing defeasible, incomplete, unreliable, or uncertain information has…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Tableau calculi for description logics revision
Moguillansky, Martín O. - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Focusing on the Ontology Change problem, we consider an environment where Description Logics (DLs) are the logical formalization to express knowledge bases, and the integration of distributed ontologies is developed under new extensions and modifications of the Belief Revision theories…
Fecha:	2012-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

Knowledge dynamics in a khepera robots’ application
Tamargo, Luciano H. - García, Alejandro Javier - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The theory change area have defined several operators trying to model the dynamic of knowledge. The goal of this work is to introduce a preprocessor of perceptions that could be part of an agent. The purpose of the preprocessor is…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

Model contractions on description logics
Falappa, Marcelo Alejandro - Moguillansky, Martín O.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	When using tableaux algorithms to reason about Description Logics (DLs), new information is inferred from the models considered while trying to achieve knowledge satisfiability. By focusing the ontology change problem, we consider an environment where DLs are the logical formalization…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

A cognitive model of user interaction as a guideline for designing novel interfaces
Aguilera, Felipe - Alarcón, Rosa A. - Guerrero, Luis A. - Collazos, Cesar A.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Adaptive systems behavior based on user models appear promising, mostly for complex environments such as mixed reality environments (MRE). An MRE comprises a virtual representation of the reality as well as physical objects augmented with virtual features. These objects are…
Fecha:	2012-11-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

Computing support for problem solving in virtual communities of practice
Casalini, María Clara - Estevez, Elsa Clara - Janowski, Thomas

Formato:	Articulo, Articulo
Enlaces:	The paper presents a formal model for a knowledge repository shared by members of a Virtual Community of Practice (VCPs), describes how the repository can be used to underpin collaborative problem solving, and how to build computer support for such…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

Software projects effort estimation using “use case points” method in the context of Project Management Body of Knowledge
Montejano, Germán Antonio - Uzal, Roberto - Riesco, Daniel Eduardo - Debnath, Narayan C.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	As a contribution to consider software projects to be risk investments, it is important the full standardization of either the planning methodology (as a subset of project management methodology) and the effort estimation method. We think there is important and…
Fecha:	2012-10-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

SeDiCI (Intellectual Creation Diffusion Service)
De Giusti, Marisa Raquel

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Intellectual Creation Diffusion Service (SeDiCI) of the UNLP was created with the main objective of communicating to the society all the knowledge acquired in different academic fields of our university. This is how we can return all the efforts…
Fecha:	2007-11-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Greedy seeding procedure for GAs solving a strip packing problem
Salto, Carolina - Alba Torres, Enrique - Molina, J.M. - Leguizamón, Guillermo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this paper, the two-dimensional strip packing problem with 3-stage level patterns is tackled using genetic algorithms (GAs). We evaluate the usefulness of a greedy seeding procedure for creating the initial population, incorporating problem knowledge. This is motivated by the…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Defeasible decision making in a robotic environment
Ferretti, Edgardo - Errecalde, Marcelo Luis

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Decision making models for autonomous agents are recently receiving increased attention, particularly in the feld of intelligent robots. This work presents a Defeasible Logic Programming approach to decision making in an environment with single and multiple robots. We will show,…
Fecha:	2012-10-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

Pathways as "signatures in landscape": towards an ethnography of mobility among the Mbya-Guaraní (Northeastern Argentina)
Crivos, Marta - Martínez, María Rosa - Pochettino, María Lelia - Remorini, Carolina - Sy, Anahí - Teves, Laura Susana

Formato:	Articulo, Articulo
Enlaces:	Processes of spatial mobility among the Mbya are of interest in anthropological and ethnobiological studies, as these processes are related to transformations in the landscape and the environment. Despite this, ethnographic literature usually focuses itself on the mobility of Guaraní…
Fecha:	2013-09-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Collaboration through deliberative dialogues
Rueda, Sonia Vivian - García, Alejandro Javier - Simari, Guillermo Ricardo

Formato:	Articulo, Articulo
Enlaces:	In a multi-agent system, a group of individ- uals interact in a social context in order to boost their capabilities and enhance global per- formance. Each individual's action repertoire may be reduced, but it's social capability allows it to interact…
Fecha:	2008-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Computer networks. A top-down approach featuring Internet, second edition, Redes de Computadores – Un enfoque descendente basado en Internet. Segunda edición
López, Ricardo A.

Formato:	Articulo, Revision
Enlaces:	The book is intended to be used in an introductory and intermediate level course on computer networks, both whitin Computer Science and Electric Engineering scopes. One of its characteristics is that the entire research software is presented in Java, but…
Fecha:	2008-10-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Solving constrained optimization using a T-Cell artificial immune system
Aragón, Victoria S. - Esquivel, Susana Cecilia

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this paper, we present a novel model of an artificial immune system (AIS), based on the process that suffers the T-Cell. The proposed model is used for solving constrained (numerical) optimization problems. The model operates on three populations: Virgins,…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Caracterización físico-mecánica e interacciones con excipientes del D-003, una mezcla de ácidos grasos aislados de la cera de la caña de azúcar, Physico-mechanical characterization and interactions with excipients of D-003, a mixture of fatty acids isolated from sugar cane wax
Uribarri Hernández, Evangelina - González Lago, Mayra - Martínez Álvarez, Luis - Marrero Delange, David - Medina, Miriam Cora - Méndez Antolín, Ernesto - Laguna Granja, Abilio - González Canavaciolo, Víctor L.

Formato:	Articulo, Articulo
Enlaces:	El D-003 es un nuevo producto que consiste en una mezcla de ácidos grasos de elevado peso molecular (desde C24:0 hasta C36:0), donde cada uno de ellos está en una proporción reproducible. Este producto presenta efectos antiplaquetarios y como reductor…
Fecha:	2008-12-12
Recurso:	Unversidad Nacional de La Plata